TODAY DEC22
TEMPERATURE36
HUMIDITY52
PRESSURE103080
WIND COND.150 13
  • 4939Mon20%
  • 5040Tue30%40%
  • 514550%
  • 5748Thu
  • 5850Fri
daynightWeather update from Henderson City at
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Weather Quick Facts

  • The highest monthly average temperature in Clay for July is 77 degrees
  • The lowest monthly average temperature in Clay for January is 33.6 degrees
  • The most monthly precipitation in Clay occurs in September with 11.3 inches
  • The air quality index in Clay is 7% worse than the national average
  • The pollution index in Clay is 72% better than the national average

Compare Clay, KY Weather

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      Clay Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January26°F43°F34°F6.1"
      February27°F46°F35°F5.4"
      March38°F59°F47°F8.7"
      April47°F71°F58°F10.2"
      May58°F79°F68°F7.3"
      June66°F87°F76°F7.8"
      July67°F89°F77°F9.5"
      August66°F88°F76°F6.9"
      September58°F82°F69°F11.3"
      October47°F71°F58°F10.3"
      November37°F58°F46°F8.2"
      December30°F47°F38°F9.0"

      Clay air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexClayKentuckyNational
      Air quality index454542
      Pollution index768,1501,369,1312,726,193

      Clay air quality

      MeasurementTotal
      Days measured365
      Days with good air quality244
      Days with moderate air quality111
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.005%
      Lead0.003%
      Mercury0.000%

      Average monthly Clay temperature with heat index

      Clay monthly precipitation with daily maximum

      Clay monthly snow depth with daily maximum

      Clay monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Manitou, KY5304314.0%
      Nebo, KY1624314.0%
      Crayne, KY2804412.0%
      Marion, KY2,8854412.0%
      Wheatcroft, KY1544510.0%
      Clay, KY1,2424510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Astor, FL1,2423726.0%
      Laupahoehoe, HI1,2421668.0%
      Ladd, IL1,2420100.0%
      Fairview Park, IN1,2424510.0%
      Bayboro, NC1,2423726.0%
      Clay, KY1,2424510.0%
      Source: The Clay, KY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.